Chemicals for Science Education
Chemicals for science education are available in easy-to-use formats with instructions for students to be introduced to a variety of subjects. These chemicals can be purchased in individual amounts or bulk kits for compatibility with classroom-sized demonstrations or independent studies. Products are designed for educational and teaching laboratories, and may or may not come with a certificate of analysis when ordered.
Sodium Phosphate Tribasic, 12-Hydrate
CAS Number: 10101-89-0
Formula Weight: 380.12
Formula: Na3PO4·12H2O
Density (g/mL): 1.62
Freezing Point (°C): 73.3-76.7
Solubility: Water
Synonyms: Trisodium Phosphate, TSP
Shelf Life (months): 36
Storage: Green
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Sodium Polyacrylate
CAS Number: 9003-04-7
Formula: (C3H3NaO2)n
Density (g/mL): 0.4 - 0.7
Freezing Point (°C): >198.89
Solubility: insoluble in water/swells in water
Synonyms: Acrylic acid polymer
Shelf Life (months): 12
Storage: Green
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Sodium Sulfate
CAS Number: 7757-82-6
Formula Weight: 142.04
Formula: Na2SO4
Density (g/mL): 2.698
Boiling Point (°C): >1000
Freezing Point (°C): 888
Solubility: Water
Synonyms: Disodium Sulfate
Shelf Life (months): 36
Storage: Green
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Sodium Sulfite
CAS Number: 7757-83-7
Formula Weight: 126.04
Formula: Na2SO3
Hazard Info: Irritant
Density (g/mL): 1.4
Solubility: Water
Synonyms: Sulfurous Acid, Disodium Salt; Disodium Sulfite; Sodium Sulphite
Shelf Life (months): 12
Storage: Green
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Sodium Thiosulfate 5-Hydrate
CAS Number: 10102-17-7
Formula: Na2S2O3 5H2O
Density: 1.685 g/mL
Boiling and Freezing Point: 100°C, 48°C
Solubility: Water
Synonyms: Sodium Thiosulfate Pentahydrate
Shelf Life: 12 Months
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Sodium Thiosulfate, Anhydrous
CAS Number: 7772-98-7
Formula Weight: 158.11
Formula: Na2S2O3
Density (g/mL): 1.667
Boiling Point (°C): >100
Freezing Point (°C): 48
Solubility: Water
Synonyms: Sodium Hyposulfite
Shelf Life (months): 12
Storage: Green
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Starch
CAS Number: 9005-84-9 soluble, 9005-25-8 potato
Formula Weight: 162.15n
Formula: C6H10O5n
Density: 1.45 g/mL
Synonyms: Amylodextrin, Amylogen
Shelf Life: 36 Months
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1,10-Phenanthroline Monohydrate
CAS Number: 5144-89-8
Formula Weight: 198.22
Formula: C12H8N2.H2O
Hazard Info: Toxic
Freezing Point (°C): 98-100
Solubility: Water and Alcohol
Synonyms: o-Phenanthroline
Shelf Life (months): 36
Storage: Blue
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1,6-Hexanediamine
CAS Number: 124-09-4
Formula Weight: 116.21
Formula: 1,6-NH2(CH2)6NH2
Hazard Info: Corrosive
Density (g/mL): 0.854
Boiling Point (°C): 205
Freezing Point (°C): 39-42
Solubility: Water and Slightly in Alcohol
Synonyms: Hexamethyleneediamine, 1,6-Diaminohexane
Shelf Life (months): 36
Storage: White
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1-Naphthol
CAS Number: 90-15-3
Formula Weight: 144.18
Formula: C10H7OH
Hazard Info: Toxic
Density (g/mL): 1.1
Boiling Point (°C): 288
Freezing Point (°C): 96
Solubility: Alcohol, Ether and Benzene
Synonyms: alpha-Naphthol
Shelf Life (months): 24
Storage: Blue
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2,3,5-Triphenyl-2H-Tetrazolium Chloride
CAS Number: 298-96-4
Formula Weight: 334.81
Formula: C19H15CIN4
Boiling Point (°C): Decomposes
Freezing Point (°C): 250
Solubility: Water and Alcohol
Synonyms: Triphenyltetrazolium Chloride
Shelf Life (months): 36
Storage: Green
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DPIP (2,6-Dichloroindophenol)
CAS Number: 620-45-1
Formula Weight: 290.08
Formula: C12H6Cl2NNaO2
Density (g/mL): >1
Boiling Point (°C): Decomposes
Solubility: Water
Synonyms: Dichloroindophenol
Shelf Life (months): 12
Storage: Green
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4-(t-Octyl) Phenol
CAS Number: 140-66-9
Formula Weight: 206.33
Formula: (CH3)3CCH2(CH3)2C6H4OH
Hazard Info: Corrosive
Density (g/mL): 0.912
Boiling Point (°C): 221.2
Freezing Point (°C): 101.5
Solubility: Water and Alcohol
Synonyms: p-tert-Octylphenol, 4-(tert-octyl) Phenol
Shelf Life (months): 36
Storage: White
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Acetanilide
CAS Number: 103-84-4
Formula Weight: 135.17
Formula: CH3CONHC6H5
Density (g/mL): 1.2
Boiling Point (°C): 304
Freezing Point (°C): 115
Solubility: Hot Water, Alcohol, and Organic Solvents
Synonyms: N-phenyl-acetamide
Shelf Life (months): 12
Storage: Green
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Acetic Acid
CAS Number: 64-19-7
Formula: CH3COOH
Density: 1.049 g/ml
Boiling Point: 118.1°C
Freezing Point: 16.7°C
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Aceto-Carmine Solution
CAS Number: Mixture
Formula Weight: Mixture
Formula: Mixture
Hazard Info: Corrosive
Density (g/mL): 1.049
Boiling Point (°C): 118.1
Freezing Point (°C): 16.7
Shelf Life (months): 12
Storage: White